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Found 6289 publications

Comparison between European protestant and catholic economic development through modern painting

No authors available

Publication Name: DETUROPE

Publication Date: 2018-01-01

Volume: 10

Issue: 1

Page Range: 82-96

Description:

Since Max Weber, economists suggest that religious activity affects the European economic development, and this hypothesis was proven between the seventeenth and nineteenth centuries. Accordingly Protestant economic thinking accelerated the evolving system of capitalism, giving adequate attitudes to the accumulation of wealth. This research supposes that the mentioned capitalist approaches have their own impressions on visual arts, particularly on modern painting. It examines almost nine hundred religious paintings from the fifteenth to nineteenth centuries, investigating signs of business activities on the artworks. This form of qualitative examination apply the methodology of content analysis. As a result of the study the former hypothesis of Weber could be verified from multidisciplinary approach.

Open Access: No

DOI: DOI not available

Influence of the Tensor Product Model Representation of qLPV Models on the Feasibility of Linear Matrix Inequality Based Stability Analysis

Alexandra Szollosi Péter Baranyi

Publication Name: Asian Journal of Control

Publication Date: 2018-01-01

Volume: 20

Issue: 1

Page Range: 531-547

Description:

The paper investigates and proves the statement, that the convex hull of the polytopic tensor product (TP) model representation influences the feasibility of linear matrix inequality (LMI) based stability analysis methods. The proof is based on a complex stability analysis example of a given quasi linear parameter varying (qLPV) state-space model. Specifically, the three degree of freedom (3-DoF) aeroelastic wing section model including Stribeck friction is used as the tool for the example model. The proof is achieved by utilizing TP model transformation and LMI based tools. As a first step, numerous TP model type control solutions holding different convex hulls are systematically derived of the qLPV model via LMI based control design methods. As a second step, each control solution is further equivalently transformed for different TP model representations holding different convex hulls. Finally, the stability of all solutions over all TP model representations are checked via LMI based stability analysis methods. As a result of the two steps, a two dimensional (2D) convex hull space is attained for the 3-DoF aeroelastic wing section model. The two dimensions are denoted by the LMI based control design and the LMI based stability analysis for different convex hulls. Based on the numerical results, a detailed, comprehensive analysis is provided. The paper as a novelty proves the statement, that the polytopic TP model representation of a given control solution strongly influences the feasibility of LMI based stability analysis methods.

Open Access: Yes

DOI: 10.1002/asjc.1566

Immigration and regional competitiveness - Relevant theories in the migration research and in the regional science

No authors available

Publication Name: DETUROPE

Publication Date: 2018-01-01

Volume: 10

Issue: 1

Page Range: 71-81

Description:

International and interregional migrations, the geographic form of human mobility have a number of social, economic and political effects. These impacts can vary depending on the reference period, region or sector as well as on the goals and aspects of our interpretation. Another important question in connection with regional competitiveness is how decision makers act and react after perceiving migratory movements. Analysing the interference between immigration and regional development, we can rely on the well-known migration theories, however, a comparison of further models and concepts relating development and regional issues can be more useful for researchers. These questions are relevant, since the issues of the regional science, such as regional competitiveness and regional policy, have in the background strong associations with migratory phenomena. The aim of this study is to introduce the theoretical background, summarizing the mainstream solutions and the controversies as well. Thus the first part presents the role of the migration theories and these of the regional science in connection with the linkages between immigration and regional competitiveness. Besides it points out the importance of immigrants' inclusion. The next section focuses, complemented with the outcomes of a multivariate statistical analysis, on the theories on determinants and causalities of migration, exploring the connecting points with the issues of the regional policy.

Open Access: No

DOI: DOI not available

An approach to the design of nonlinear state-space control systems

Claudiu Radu Pozna Radu Emil Precup

Publication Name: Studies in Informatics and Control

Publication Date: 2018-01-01

Volume: 27

Issue: 1

Page Range: 5-14

Description:

This paper proposes a cost-effective approach to the design of nonlinear state-space control systems. The approach is supported by a geometrical illustration of systems evolution in the state space, by the Lyapunov's direct method, the native behaviour of the controlled process, and the desired system matrix. The method is exemplified through the medium of a realworld process represented by the pendulum-cart system laboratory equipment.

Open Access: Yes

DOI: 10.24846/v27i1y201801

Surface modification and wear properties of direct metal laser sintered hybrid tools used in moulds

Imre Fekete J. G. Kovacs Tamás Ibriksz Mária B. Maros István Hatos H. Hargitai

Publication Name: Journal of Mechanical Engineering

Publication Date: 2018-01-01

Volume: 64

Issue: 2

Page Range: 121-129

Description:

Injection moulding is one of the most productive plastic forming processes. Product development and the reduction of production time require new solutions in tooling design and manufacturing. Direct metal laser sintering (DMLS) allows moulds to be built with special cooling systems, which offer curved cooling lines that can follow the geometry of the part (conformal cooling). One disadvantage of DMLS, its high cost, can be dramatically reduced with the building of hybrid structures. With conventional tool steels as the base plate and only the special geometry of the part sintered on the top, the final geometry can be manufactured after sintering by conventional process technologies. We produced hybrid structures by direct metal laser sintering maraging steel (MS1) powder onto the surface of commercial mould steels and studied the effect of different heat treatments on porosity, tribological behaviour and the microstructure. The transition zone was also characterized.

Open Access: Yes

DOI: 10.5545/sv-jme.2017.4942

Effects of outdoor education on traveling habits of adults in Slovakia and Hungary

Jaromír Šimonek Miklós Bánhidi Beata Dobay

Publication Name: Journal of Physical Education and Sport

Publication Date: 2018-01-01

Volume: 18

Issue: 2

Page Range: 731-738

Description:

The purpose of the research is to present results of an international study are presented regarding the traveling habits of adults who participated in outdoor education programs during their childhood. Materials and methods: in the survey, 2965 Slovak and 2404 Hungarian adults were studied to determine if there is any correlation between school experience and travel behavior. In both countries, there are serious discussions as to why school education should offer and support school camps, which teach children sport skills while they are away from home. The data were processed using the Statistica program. Results: In both countries, one out of every five individuals (21.6% SK; 22.2% HU) participating in the study take a vacation in the summer months. As children, many (84.5% SK, 92% HU) of the participants took part in school water sport camps. Of these participants, 65.8% of the Slovaks and 60.2% of the Hungarians rated the time spent there as very positive. Among the positive values, 44.2% indicated that the mountains were a favourite and frequently a chosen travel destination. Twenty-five percent of the respondents spend more than four hours hiking during their vacation. Conclusions: Based on the results of our survey we can conclude that the camps in the mountains can be considered as a useful outdoor program (5-7 days), where the students can experience traveling, living together and having fun.

Open Access: Yes

DOI: 10.7752/jpes.2018.02107

Temperature and frequency dependent preisach model

Miklós Kuczmann

Publication Name: Przeglad Elektrotechniczny

Publication Date: 2018-01-01

Volume: 94

Issue: 4

Page Range: 5-8

Description:

The present paper deals with a frequency and temperature dependent modeling approach for hysteresis loops of ferromagnetic materials. The model is based on the Preisach model. The frequency dependency is taken into account by the statistical loss theorem, while thermal effects were incorporated by a generalization of the model equation. The model was validated against measurements made on a soft magnetic material. The results of the proposed model were in good agreement with measured data.

Open Access: Yes

DOI: 10.15199/48.2018.04.02

Europeanization of the Hungarian legal order: From convergence to cancellation?

Balázs Horváthy Tamas Dezso Ziegler

Publication Name: Law in Eastern Europe

Publication Date: 2018-01-01

Volume: 67

Issue: Unknown

Page Range: 24-40

Description:

Since the political transition of Hungary in the late 1980s, the law of the European Union has been the primary external influence on the modernization of domestic legislation. This chapter aims to illustrate that Hungary, as a passive and receptive actor, implemented all components of eu law which were prerequisites for eu membership. This has resulted in an intense convergence in rules and values of the domestic and eu legal order until its accession to the eu in 2004. After accession, however, Hungary started to move from a constructive to confrontational Member State, which has led to a substantial divergence between the laws of Hungary and eu law. This chapter analyzes these processes and attempts to identify the possible consequences of this alteration in the Hungarian stance to the adoption of rules, values, and regulatory models originating from eu law. It will be demonstrated with case studies ranging from recent Hungarian economic legislation to the constitutional reform, illustrating how this new role of Hungary negatively affects the adaptability of Hungarian legal order and leads to canceling the convergence to the European law.

Open Access: Yes

DOI: 10.1163/9789004352070_004

Experimenting with a new population-based optimization technique: FUNgal growth inspired (FUNGI) optimizer

A. Tormási L. T. Kóczy

Publication Name: Studies in Fuzziness and Soft Computing

Publication Date: 2018-01-01

Volume: 361

Issue: Unknown

Page Range: 123-135

Description:

In this paper the experimental results of a new evolutionary algorithm are presented. The proposed method was inspired by the growth and reproduction of fungi. Experiments were executed and evaluated on discretized versions of common functions, which are used in benchmark tests of optimization techniques. The results were compared with other optimization algorithms and the directions of future research with many possible modifications/extension of the presented method are discussed.

Open Access: Yes

DOI: 10.1007/978-3-319-75408-6_11